'use strict'
Object.defineProperty(exports, '__esModule', { value: true })
var component_1 = require('../common/component')
component_1.VantComponent({
  relation: {
    name: 'tabbar-item',
    type: 'descendant',
    current: 'tabbar',
    linked: function(target) {
      target.parent = this
      target.updateFromParent()
    },
    unlinked: function() {
      this.updateChildren()
    }
  },
  props: {
    active: {
      type: null,
      observer: 'updateChildren'
    },
    activeColor: {
      type: String,
      observer: 'updateChildren'
    },
    inactiveColor: {
      type: String,
      observer: 'updateChildren'
    },
    fixed: {
      type: Boolean,
      value: true
    },
    border: {
      type: Boolean,
      value: true
    },
    zIndex: {
      type: Number,
      value: 1
    },
    safeAreaInsetBottom: {
      type: Boolean,
      value: true
    }
  },
  methods: {
    updateChildren: function() {
      var children = this.children
      if (!Array.isArray(children) || !children.length) {
        return Promise.resolve()
      }
      return Promise.all(
        children.map(function(child) {
          return child.updateFromParent()
        })
      )
    },
    onChange: function(child) {
      var index = this.children.indexOf(child)
      var active = child.data.name || index
      if (active !== this.data.active) {
        this.$emit('change', active)
      }
    }
  }
})
